Home / 386,783.12-580,293.50-184,637.22

Finding the Fourth Proportional to 386,783.12, 580,293.50 and 184,637.22

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Solution

The fourth proportional to 386,783.12, 580,293.50 and 184,637.22 is: 277,012.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    386,783.12 : 580,293.50 = 184,637.22 : x
  2. Step 2: Convert to fraction form
    386,783.12/580,293.50 = 184,637.22/x
  3. Step 3: Cross multiply
    386,783.12x = 580,293.50 × 184,637.22
  4. Step 4: Simplify right side
    386,783.12x = 107,143,777,700.88
  5. Step 5: Solve for x
    x = 107,143,777,700.88/386,783.12
  6. Step 6: Final answer
    x = 277,012.55

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.